jurist vs adjudicator

jurist and adjudicator both are nouns.

Word	Noun	Adjective	Verb	Adverb
jurist	Yes	No	No	No
adjudicator	Yes	No	No	No

As nouns, adjudicator is a hypernym of jurist; that is, adjudicator is a word with a broader meaning than jurist:

jurist: a public official authorized to decide questions brought before a court of justice
adjudicator: a person who studies and settles conflicts and disputes

Other hypernyms of jurist include functionary, official.

jurist (noun)	adjudicator (noun)
a legal scholar versed in civil law or the law of nations	a person who studies and settles conflicts and disputes
a public official authorized to decide questions brought before a court of justice